


下載本文檔
版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進行舉報或認領(lǐng)
文檔簡介
練習22語法填空+閱讀理解Ⅰ.語法填空2023·浙江紹興考試說明文212詞★★☆☆☆I(lǐng)fyoualwayshatecertainvegetables,youmaybemorethanapickyeater.Instead,youmightbea“super-taster”,apersonbittergenes(苦味基因).Thosewhohavethe“bittergenes”aretimesmorelikelytoeat(few)vegetablesthanothers,accordingtoanewstudy(present)atanannualmeeting.“Wedon'tgetthetasteoffoodequally,”saidprofessorDuffy,afoodtasteexpert.“Itcouldexplainsomeofthedifferencesinourfood4.________(prefer).”Abouthalfofuscantastebitterandsweet,sowearenotespeciallysensitivetobitterfood.Another25%arecalled“non-tasters”,tobitterfoodmightactuallybeabitsweeter.Therestofusare(extreme)sensitivetothebitternessthatsome(plant)developtokeepanimalsfromeatingthem.Foodscientistsaretryingtodevelopwaysto(reduce)thebitternessinvegetables,hopingthatwecankeepsuper-tastersfromrejectingvegetables.Infact,somevegetableswegrowtoday(be)muchsweeterthanbefore.Wemightalsotrytousevariouscookingmethods,eitherbyaddingsomefat,sweetness,strongflavorslikegarlicroastingthem,toimprovethetasteofthevegetables.Ⅱ.閱讀理解A2023·河北衡水聯(lián)考說明文335詞★★★☆☆Forthefirsttime,arathaswonaBritishaidgroup'stopawardforanimalbravery.Theanimalisbeinghonoredforitsworksearchingoutunexplodedlandmines(地雷)inCambodia.MagawawasborninTanzaniain2014,andhe'salittlebiggerthannormalrats.Magawaandseveralotherratsarepartofthe“HeroRat”programrunbyagroupcalledAPOPO.Becausetheratsaresolight,there'slittledangerthattheywillcauseaccidentswhileworking.FromayoungagehewastrainedtosniffoutTNT(炸藥).Thetrainingnormallytakesaboutayear.Magawa'smainjobistosniffoutakindofbomb,knownasalandminewhichishidden,usuallyunderground.InCambodia,whereMagawaworks,landminesweremonduringlongperiodsofcivilwar.Since1979,thesemineshavekilledorinjuredover64,000people.Magawaistakenouttoaminefield,whichhecarefullygoesover,sectionbysection.Magawa'smaster,Malen,guideshimcarefullyacrossthefieldonaleash(皮帶).WhenMagawafindsalandmine,hescratchesatthedirtaboveit,wigwaggingthathe'sfoundsomething.Becausetheratsworkbysniffing,they'reveryfast.ItonlytakesMagawa30minutestosearchanareaasbigasatenniscourt.Ahumandoingthesamejobwouldtakefourdays.MalensaysthatMagawaandhiscolleaguesareveryconfidentinthefield.Heworksquicklyandiseasilyabletomakedecisionsaboutwhethersomethingisadangerornot.Magawaisthestarsnifferofthe“HeroRat”program.He'sfound39landminesand28bombsthatweredroppedfromplanes,butneverexploded.1.WhatmadeMagawajoininthe“HeroRat”program?beneficialbirthplace.B.Hisgreatachievements.C.Hisstricttraining.D.Hisbeinglightinweight.2.Whatdoestheunderlinedword“wigwagging”meaninParagraph4?A.Signaling.B.Pretending.C.Remembering.D.Accepting.3.WhatcanbeinferredaboutMagawawhenheisworking?A.Hefindsaminefieldineffectively.B.Hemakesaccuratejudgments.C.Hehasotherratsactconfidently.D.Hespendsmostofhistimediggingdirt.4.Whereisthetextprobablytakenfrom?A.Atextbook.B.Anovel.C.Anewspaper.D.Adiary.B2023·東北摸底考試說明文328詞★★☆☆☆Asweallknow,mostanimalsonlyperformtrickswhengiventreats.However,Kim,theworld'sfirstspidertolearnaskill,needsnostimulus(刺激)todowhatsheloves—jumpingtodifferentheightsanddistances—upontheinstructionofateamofscientistsfromtheUniversityofManchester.Whiletheideaoftrainingaspidermightsoundevil,theresearchers'motiveswerepurelyscientific.Theyaretryingtounlockthesecretsbehindthejumpingspiders'extraordinarilyhighleapstocatchprey(獵物)ortoescapetheirenemies.Abetterunderstandingofthespiders'leapswouldhelpexpertsdevelopmoreefficientflyingandjumpingrobots.ThescientistsfoundthatKimcouldgatherenoughforceinherlegstojumpmorethansixtimesthelengthofherownbodyfromastationaryposition.Whatwasevenmoreamazingwasthatshealwayslandedperfectly.Forshorterdistances,Kimusedalotofenergy,resultinginquickleaps,whichtheresearchersbelieveprobablyincreasesherchancesofcatchingfast-movingprey.Thefartherthedistancewas,thelessextraenergywasused,resultinginslowerbutpreciseleaps.Previousstudieshaveindicatedthatspidersuseboththeirmusclesandhydraulic(液壓的)pressure—amechanismbywhichbloodistransferredtotheirextendedlegs—tomakethempushofftheground.However,inKim'scase,herlegmusclesaloneappearedtobegeneratingenoughforceforthelift-off.Theresearchersnowintendtodofurtherresearchtoprehendfullynotjustthespiders'jumpingtechnique,butthatofotherinsectsaswell.“Wearefamiliarwithrobotsthatareaimedattakingoverhumanfunctions,buttherearemillionsofinsectsintheworldthatperformspecificfunctionsthatwehaveinterestinandcanbeadaptedforrobotics,”saysNabawy,theleadingengineeroftheresearchingteam.5.Whatisthepurposeofscientists'researchingthejumpingspiders?A.Tohavefunandrelax.B.Tohelpdeveloprobots.C.Togetridofspiders.D.Toprotectthisspecies.6.WhydidKimusealotofenergyforshortleaps?A.Tojumphighenough.B.Tolandmoreprecisely.C.Tocatchfast-movingprey.D.Toincreasechancesofescape.7.Whatdoestheunderlinedword“that”inthelastparagraphrefe
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預覽,若沒有圖紙預覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負責。
- 6. 下載文件中如有侵權(quán)或不適當內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準確性、安全性和完整性, 同時也不承擔用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 馬桶維修合同范本
- 吧臺招聘合同范例
- 分支機構(gòu)經(jīng)營管理合同范本
- 壓力表送檢合同范本
- 廠房解除租賃合同范本
- 參加招標合同范本
- 合同范例 銷售合同范例
- 農(nóng)村鋪租合同范本
- 勞務合同范本簽約
- 吉林省勞動合同范本
- 氬氣安全技術(shù)說明書MSDS
- 四年級數(shù)學下冊教案-練習一-北師大版
- 5G手機無線通訊濾波芯片產(chǎn)業(yè)化項目環(huán)境影響報告表
- 《對外援援助成套項目勘察設(shè)計取費標準內(nèi)部暫行規(guī)定(稿)》
- 通用反應單元工藝
- 空冷塔施工方案
- 電飯煲的智能控制系統(tǒng)設(shè)計
- 儲罐玻璃鋼內(nèi)防腐
- 2013-2015北京地鐵部分線路年客流量
- 機械設(shè)計說明書
- 慢性腎衰竭護理講課.ppt
評論
0/150
提交評論